Marigolds, a vibrant flowering plant genus, is generally simple to care for with well-defined requirements. Needing full sun to light shade, marigolds thrives in well-drained, rich soil, and requires regular watering. Common challenges for marigolds include pests like aphids, and diseases like powdery mildew. It is sensitive to extremes of temperature, preferring cool conditions. Seasonally, these plants may need additional care, with regular deadheading in summer to promote blooms and protection from frost in winter, ensuring their vibrant display year after year.